/Engine/Source/Editor/BlueprintGraph/Classes/K2Node.h
FOptionalPinFromProperty ( [FName](API\Runtime\Core\UObject\FName) InPropertyName, bool bInShowPin, bool bInCanToggleVisibility, const [FString](API\Runtime\Core\Containers\FString) & InFriendlyName, const [FText](API\Runtime\Core\Internationalization\FText) & InTooltip, bool bInPropertyIsCustomized, [FName](API\Runtime\Core\UObject\FName) InCategoryName, bool bInHasOverridePin )